7257975

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 12856320

約数和(自身を除く): 5598345

約数列:

[1, 3, 5, 15, 25, 29, 47, 71, 75, 87, 141, 145, 213, 235, 355, 435, 705, 725, 1065, 1175, 1363, 1775, 2059, 2175, 3337, 3525, 4089, 5325, 6177, 6815, 10011, 10295, 16685, 20445, 30885, 34075, 50055, 51475, 83425, 96773, 102225, 154425, 250275, 290319, 483865, 1451595, 2419325, 7257975]

約数ペア:

[(1, 7257975), (3, 2419325), (5, 1451595), (15, 483865), (25, 290319), (29, 250275), (47, 154425), (71, 102225), (75, 96773), (87, 83425), (141, 51475), (145, 50055), (213, 34075), (235, 30885), (355, 20445), (435, 16685), (705, 10295), (725, 10011), (1065, 6815), (1175, 6177), (1363, 5325), (1775, 4089), (2059, 3525), (2175, 3337)]